Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 807 (LIGHTING SYSTEMS)
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Section 807 (Lighting Systems)
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Section 807 (Lighting Systems)
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Lighting Systems
- Diagnostic System Check - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1482: Inadvertent Power Supply Circuit Is Open Or Shorted To Ground
- DTC B2532: Fog Lamp Relay Control Circuit Is Open Or Shorted To Ground
- DTC B2533: Fog Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage
- DTC B2600: DRL Resistor Supply Voltage Circuit Is Open
- DTC B2602: DRL Relay Control Circuit Shorted To Ground
- DTC B2603: Headlamp Feedback Is Not Present
- DTC B2622: Dimmer Switch Signal Is Open Or Shorted To Ground, Or Dimmer Switch Signal Return Is Open Or Shorted To Ground
- DTC B2623: Dimmer Switch Signal Is Open Or Shorted To Voltage, Or Dimmer Switch Signal Return Is Open Or Shorted To Voltage
- DTC B2627: Instrument Panel Dimming Lamps Output Is Open Or Shorted To Ground
- DTC B2628: Instrument Panel Dimming Lamps Output Is Shorted To Voltage
- DTC B2662: Park Lamp Input Is Inactive
- DTC B2743: Short To Voltage In The Front Fog Lamp Supply Voltage Circuit
- DTC P0504: Stop Lamp Switch Input And Cruise/Brake Switch Input Mismatch
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Indicator Inoperative
- Daytime Running Lamps (DRL) Inoperative
- Dome Lamps Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- Hazard Lamps Inoperative
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - Low and High Beams
- Headlamps Inoperative - Flash to Pass
- High Beam Indicator Inoperative
- Illuminated Entry Lamps Inoperative
- Park Lamps Always On
- Park Lamps Inoperative
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Inoperative
- Repair Instructions
- Stop Lamp Switch Adjustment
- Stop Lamp Switch Replacement
- Fog Lamp Switch Replacement - Front
- Door Jamb Switch Replacement - Front
- Instrument Panel (I/P) Dimmer Switch Replacement
- Ambient Light Sensor Replacement
- Hazard and Turn Signal Flasher Replacement
- Reading Lamp Bulb Replacement
- Reading Lamp Replacement
- Trans Floor Shift Control Indicator Lamp Replacement
- Dome Lamp Replacement
- Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement
- Headlamp Aiming
- Fog Lamp Replacement - Front
- Fog Lamp Bulb Replacement - Front
- Fog Lamp Aiming Procedure
- Marker Lamp Replacement - Side
- Marker Lamp Bulb Replacement - Side
- High Mounted Stop Lamp Replacement
- High Mounted Stop Lamp Bulb Replacement
- Cargo Lamp Replacement
- Cargo Lamp Bulb Replacement
- License Lamp Replacement
- License Lamp Bulb Replacement
- Tail Lamp Assembly and/or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement
- Rear Liftgate Lamp Replacement
- Dome Lamp Bulb Replacement
- Description and Operation
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.